:root {
    --primary-color: #e8491d;
    --dark-bg: #1a1a1a;
    --nav-bg: #333;
    --light-bg: #f4f4f4;
    --text-color: #333;
    --font-size-small: 1rem;
    --font-size-medium: 1.15rem; /* Default */
    --font-size-large: 1.3rem;
    --font-size-xlarge: 1.45rem;
    --white: #ffffff;
}

/* Dark Mode Variables Override */
body.dark-mode {
    --light-bg: #121212;
    --text-color: #e0e0e0;
    --white: #1e1e1e;
}

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    line-height: 1.6;
    background-color: var(--light-bg);
    color: var(--text-color);
}

header {
    background: var(--dark-bg);
    color: var(--white);
    padding: 1.5rem 0;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

header h1 a {
    color: inherit;
    text-decoration: none;
}

nav {
    display: flex;
    justify-content: center;
    background: var(--nav-bg);
    padding: 0.75rem;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: transform 0.3s ease-in-out;
}

nav.nav-hidden {
    transform: translateY(-100%);
}

nav a {
    color: var(--white);
    margin: 0 15px;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

nav a i {
    margin-right: 8px;
}

nav a.active {
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
}

nav a:hover {
    color: var(--primary-color);
}

.menu-toggle { display: none; }

.container {
    max-width: 1200px;
    width: 90%;
    margin: auto;
    padding: 20px 0;
}

.hero {
    background: var(--white);
    padding: 40px;
    margin-bottom: 30px;
    text-align: center;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.search-bar {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.search-bar input {
    padding: 12px;
    width: 50%;
    border-radius: 6px;
    border: 1px solid #ddd;
    font-size: 1rem;
}

.search-bar button {
    padding: 12px 25px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
    transition: background 0.3s;
}

.search-bar button i {
    margin-right: 8px;
}

.search-bar button:hover {
    background: #cf3d16;
}

.novel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 25px;
}

.novel-card {
    position: relative; /* Penting untuk posisi tombol favorit di dalam kartu */
}

.novel-card {
    background: var(--white);
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: pointer;
}

.novel-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

.novel-card img {
    width: 100%;
    height: auto;
    border-radius: 6px;
    margin-bottom: 10px;
}

/* Gaya Tombol Favorit di Kartu */
.fav-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--white);
    border: none;
    border-radius: 50%;
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    color: #ccc;
    transition: color 0.3s, transform 0.2s;
    z-index: 10;
}

.fav-btn.active { color: #e74c3c; }
.fav-btn:hover { transform: scale(1.1); }

.btn-fav-detail {
    padding: 15px 20px;
    background: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    border-radius: 6px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    margin-left: 10px;
    transition: all 0.3s;
}

.btn-fav-detail.active {
    background: var(--primary-color);
    color: white;
}

/* Rating Styles */
.rating {
    color: #f1c40f;
    margin: 5px 0;
    font-size: 0.95rem;
}

.rating-input-container {
    margin: 15px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.stars-input { display: flex; gap: 5px; }

.star-btn {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    font-size: 1.5rem;
    color: #ccc;
    transition: color 0.2s, transform 0.1s;
}

.star-btn.active { color: #f1c40f; }
.star-btn:hover { transform: scale(1.2); }

/* Detail Page Styles */
.detail-header {
    display: flex;
    gap: 40px;
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.detail-header img {
    width: 250px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.detail-info h1 { margin-top: 0; color: var(--dark-bg); }
.tag { background: var(--primary-color); color: white; display: inline-block; padding: 2px 12px; border-radius: 20px; font-size: 0.9rem; }
.synopsis { margin: 20px 0; border-top: 1px solid #eee; padding-top: 20px; }
.btn-read { 
    padding: 15px 30px; 
    background: var(--primary-color); 
    color: white; 
    border: none; 
    border-radius: 6px; 
    font-size: 1.1rem; 
    font-weight: bold; 
    cursor: pointer;
}

.btn-back { margin-bottom: 20px; display: inline-block; color: var(--text-color); text-decoration: none; font-weight: bold; }
.btn-back:hover { color: var(--primary-color); }

/* Share Buttons Styles */
.share-container {
    margin-top: 25px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.share-buttons {
    display: flex;
    gap: 10px;
}

.share-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: transform 0.2s, opacity 0.2s;
}

.share-btn:hover { transform: scale(1.1); opacity: 0.9; }
.share-btn.whatsapp { background: #25D366; }
.share-btn.twitter { background: #1DA1F2; }
.share-btn.facebook { background: #1877F2; }

/* Reading Progress Bar */
.progress-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: transparent;
    z-index: 9999;
}

.progress-bar {
    height: 100%;
    background: var(--primary-color);
    width: 0%;
    transition: width 0.1s ease-out;
}

/* Reading Page Styles */
.read-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.read-header { text-align: center; border-bottom: 2px solid var(--light-bg); margin-bottom: 30px; padding-bottom: 20px; }
.read-header h2 { color: var(--primary-color); margin-bottom: 5px; font-size: 1.2rem; }
.read-header h3 { margin-top: 0; }

.reading-time {
    font-size: 0.9rem;
    color: #666;
    margin-top: 5px;
    margin-bottom: 10px;
}

.dark-mode .reading-time {
    color: #aaa;
}

.read-actions { 
    display: flex; 
    justify-content: flex-end; 
    gap: 10px; /* Memberi jarak antar tombol */
    margin-bottom: 10px; 
}
.btn-action {
    background: none;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    /* Mengubah padding dan border-radius agar tombol ukuran font terlihat lebih kotak */
    padding: 8px 12px; 
    border-radius: 6px; 
    cursor: pointer;
    transition: all 0.3s;
}
.btn-action#dark-mode-toggle { /* Mengembalikan tombol dark mode ke bentuk bulat */
    border-radius: 50%;
    padding: 8px 12px;
}
.btn-action:hover { background: var(--primary-color); color: white; }

.read-content { font-size: 1.25rem; line-height: 1.8; color: #2c3e50; text-align: justify; }
.dark-mode .read-content { color: #bdc3c7; }
.read-content p { margin-bottom: 20px; }

.read-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 50px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    background: #cf3d16;
}

.read-navigation button {
    padding: 10px 20px;
    background: var(--nav-bg);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.3s;
}

.read-navigation button:hover { background: var(--primary-color); }

/* Comment Section Styles */
.comment-section {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 2px solid var(--light-bg);
}

.comment-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 30px;
}

.comment-form input, .comment-form textarea {
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    background: var(--light-bg);
    color: var(--text-color);
    font-family: inherit;
}

.comment-form textarea { height: 100px; resize: vertical; }

.comment-list { display: flex; flex-direction: column; gap: 20px; }

.comment-item {
    background: var(--light-bg);
    padding: 15px;
    border-radius: 8px;
}

.comment-meta {
    font-size: 0.9rem;
    margin-bottom: 8px;
    color: var(--primary-color);
}

.comment-item p { margin: 0; line-height: 1.5; }
.no-comments { text-align: center; color: #888; font-style: italic; }

.btn-reply-toggle {
    background: none;
    border: none;
    color: var(--primary-color);
    font-size: 0.85rem;
    cursor: pointer;
    padding: 0;
    margin-top: 8px;
    font-weight: bold;
}

.btn-delete-comment {
    background: none;
    border: none;
    color: #e74c3c;
    font-size: 0.85rem;
    cursor: pointer;
    padding: 0;
    margin-top: 8px;
    margin-left: 15px;
    font-weight: bold;
}

.btn-delete-comment:hover { color: #c0392b; }

.reply-list {
    margin-left: 20px;
    margin-top: 15px;
    border-left: 2px solid #ddd;
    padding-left: 15px;
}

.reply-item { margin-bottom: 12px; font-size: 0.95rem; }

.category-title {
    border-left: 5px solid var(--primary-color);
    padding-left: 15px;
    margin: 30px 0 20px;
    font-size: 1.5rem;
}

/* Chapter List Styles */
.chapter-section {
    margin-top: 30px;
    background: var(--white);
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.chapter-list {
    list-style: none;
    padding: 0;
}

.chapter-item {
    padding: 15px;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: background 0.2s;
}

.chapter-item:hover {
    background-color: #f9f9f9;
    color: var(--primary-color);
}

.chapter-item:last-child {
    border-bottom: none;
}

/* Styling Badge Sudah Dibaca */
.read-badge {
    background: #27ae60;
    color: white;
    font-size: 0.65rem;
    padding: 2px 8px;
    border-radius: 10px;
    margin-left: 10px;
    vertical-align: middle;
    font-weight: bold;
    text-transform: uppercase;
    animation: fadeInBadge 0.3s ease-out;
    display: inline-block;
}

@keyframes fadeInBadge {
    from { opacity: 0; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1); }
}

/* Styling Tombol Tandai Belum Dibaca */
.btn-unread {
    background: none;
    border: none;
    color: #e74c3c;
    cursor: pointer;
    margin-left: 8px;
    font-size: 0.8rem;
    padding: 2px 5px;
    border-radius: 4px;
    transition: all 0.2s;
    vertical-align: middle;
}

.btn-unread:hover {
    background: rgba(231, 76, 60, 0.1);
    color: #c0392b;
    transform: rotate(-15deg);
}

.chapter-item.read span {
    color: #888;
    transition: color 0.3s ease;
}

.chapter-item span {
    transition: color 0.3s ease;
}

/* State saat proses penghapusan status baca */
.chapter-item.removing-read-status .read-badge {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.3s ease;
}

.chapter-item.removing-read-status span {
    color: var(--text-color) !important;
}

/* Admin Panel Styles */
.admin-card {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    margin-bottom: 30px;
}

.admin-form-group { margin-bottom: 15px; }
.admin-form-group label { display: block; font-weight: bold; margin-bottom: 5px; }
.admin-form-group input, .admin-form-group textarea, .admin-form-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 6px;
    box-sizing: border-box;
}

.btn-admin { background: #2c3e50; color: white; border: none; padding: 10px 20px; border-radius: 6px; cursor: pointer; }
.btn-danger { background: #e74c3c; }
.btn-success { background: #27ae60; }

/* Admin Table Styles */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}
.admin-table th, .admin-table td {
    padding: 12px;
    border: 1px solid #ddd;
    text-align: left;
}
.admin-table th { background: #f8f9fa; }
.admin-actions { display: flex; gap: 8px; }

/* Pagination Styles */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 20px;
}
.btn-page {
    padding: 6px 12px;
    border: 1px solid var(--primary-color);
    background: var(--white);
    color: var(--primary-color);
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s;
}
.btn-page.active { background: var(--primary-color); color: white; }
.btn-page:hover:not(.active) { background: #fdf2f0; }

/* Chapter Manager Admin Styles */
.chapter-admin-list {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.chapter-admin-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    background: #f9f9f9;
    border: 1px solid #eee;
    border-radius: 6px;
}
.chapter-admin-item h4 { margin: 0; font-size: 1rem; }

footer {
    text-align: center;
    padding: 30px;
    background: var(--dark-bg);
    color: var(--white);
    margin-top: 40px;
}

/* Responsive Design */
@media (max-width: 768px) {
    header { padding: 1rem 0; }
    header h1 { font-size: 1.5rem; }

    .menu-toggle {
        display: block;
        width: 100%;
        text-align: center;
        color: white;
        background: var(--nav-bg);
        padding: 10px 0;
        cursor: pointer;
        font-weight: bold;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    nav {
        flex-direction: column;
        padding: 0;
        position: sticky;
        top: 0;
    }

    nav a {
        display: none; /* Sembunyikan menu secara default di mobile */
        margin: 0;
        padding: 12px 0;
        width: 100%;
        text-align: center;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    nav a:last-child {
        border-bottom: none;
    }

    nav.mobile-active a {
        display: block; /* Tampilkan menu saat tombol toggle diklik */
    }

    .container {
        width: 95%;
        padding: 15px 0;
    }

    .hero {
        padding: 30px 20px;
    }

    .search-bar {
        flex-direction: column;
        gap: 15px;
    }

    .search-bar input,
    .search-bar button {
        width: 100%;
        box-sizing: border-box; /* Ensure padding and border are included in the element's total width */
    }

    .novel-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 15px;
    }

    .category-title {
        font-size: 1.3rem;
        margin: 25px 0 15px;
    }

    footer {
        padding: 20px;
    }

    .detail-header { 
        flex-direction: column; 
        text-align: center; 
    }
    .detail-header img { 
        width: 200px; 
        margin: 0 auto; 
    }

    .read-actions {
        justify-content: center; /* Pusatkan tombol di mobile */
    }

    /* Responsive Table to Card */
    .admin-table, .admin-table thead, .admin-table tbody, .admin-table th, .admin-table td, .admin-table tr {
        display: block;
    }
    .admin-table thead tr {
        position: absolute;
        top: -9999px;
        left: -9999px;
    }
    .admin-table tr {
        border: 1px solid #ddd;
        margin-bottom: 15px;
        border-radius: 8px;
        background: var(--white);
    }
    .admin-table td {
        border: none;
        border-bottom: 1px solid #eee;
        position: relative;
        padding-left: 45% !important;
        text-align: right;
        min-height: 40px;
    }
    .admin-table td:before {
        content: attr(data-label);
        position: absolute;
        left: 15px;
        width: 40%;
        text-align: left;
        font-weight: bold;
        color: var(--primary-color);
    }
    .admin-actions {
        justify-content: flex-end;
    }
}

/* Font Size Classes */
.read-content.font-small { font-size: var(--font-size-small); }
.read-content.font-medium { font-size: var(--font-size-medium); }
.read-content.font-large { font-size: var(--font-size-large); }
.read-content.font-xlarge { font-size: var(--font-size-xlarge); }

/* Pastikan font-size di dark mode juga mengikuti */
.dark-mode .read-content.font-small { font-size: var(--font-size-small); }
.dark-mode .read-content.font-medium { font-size: var(--font-size-medium); }
.dark-mode .read-content.font-large { font-size: var(--font-size-large); }
.dark-mode .read-content.font-xlarge { font-size: var(--font-size-xlarge); }